225681535375 has 16 divisors (see below), whose sum is σ = 285854306400. Its totient is φ = 177850516800.

The previous prime is 225681535351. The next prime is 225681535379. The reversal of 225681535375 is 573535186522.

It is not a de Polignac number, because 225681535375 - 2²³ = 225673146767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225681535379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13465150 + ... + 13481899.

It is an arithmetic number, because the mean of its divisors is an integer number (17865894150).

Almost surely, 2^225681535375 is an apocalyptic number.

225681535375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225681535375 is a deficient number, since it is larger than the sum of its proper divisors (60172771025).

225681535375 is an equidigital number, since it uses as much as digits as its factorization.

225681535375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26947131 (or 26947121 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 52.

The spelling of 225681535375 in words is "two hundred twenty-five billion, six hundred eighty-one million, five hundred thirty-five thousand, three hundred seventy-five".